Send Close Add comments: (status displays here)
Got it!  This site uses cookies. You consent to this by clicking on "Got it!" or by continuing to use this website.nbsp; Note: This appears on each machine/browser from which this site is accessed.
Cards for mind-reading card trick


1. Cards for mind-reading card trick


Note that behind the scenes, some Lua programming code is used to create the numbers for each card - a hint that there is a specific algorithmic method of creating the cards.

Note that there are many possible ways to create cards with different number ranges on the cards.
Here is mind-reading card trick.

2. Think of a number from 1 to 30.
Think of a number from 1 to 30.

3. Is the number on this card?

 16 17 18 19 20  21 22 23 24 25  26 27 28 29 30


4. Is the number on this card?

  8  9 10 11 12  13 14 15 24 25  26 27 28 29 30


5. Is the number on this card?

  4  5  6  7 12  13 14 15 20 21  22 23 28 29 30


6. Is the number on this card?

  2  3  6  7 10  11 14 15 18 19  22 23 26 27 30


7. Is the number on this card?

  1  3  5  7  9  11 13 15 17 19  21 23 25 27 29


8. Announce the number
You should now announce the number.

9. End of page